Chuukan Kanriroku Tonegawa  

Middle Manager Tonegawa, 中間管理録 トネガワ

Chuukan Kanriroku Tonegawa is a spin-off of the popular manga and anime series, Kaiji. The story focuses on Tonegawa, who serves as Kazutaka Hyoudou's right hand man at Teiai Corporation, where he organizes gambling tournaments for entertainment purposes. When Hyoudou becomes bored with his daily routine, he tasks Tonegawa with creating a "game of death" to keep him entertained. To make the president happy, Tonegawa must work closely with his subordinates and navigate through various challenges and obstacles in this humorous tale.

Chuukan Kanriroku Tonegawa ranked first in the 2017 Kono Manga ga Sugoi! for the male readers category.